<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>测试一点雨</title>
</head>
<body>
你好，一点雨！
<h3>欢迎你</h3>
<h3 th:text="${msg}"></h3>
</body>
</html>